Tom Osborne - 1957
Developer of first commercial "shirt pocket" calculator
Tom Osborne is a former meteorologist for the Strategic Air Command,
U.S. Air Force. He co-founded Logic Design and designed and constructed
the world's first scientific desktop calculator, the "Green Machine," in
He also developed computer and calculator products in collaboration with
Hewlett-Packard, the most famous of which is the HP35, the first
commercial "shirt pocket" calculator, in 1972. Both the "Green Machine"
and the HP35 are on display at the Smithsonian Institution in
Osborne holds more than 60 patents and developed the algorithmic state
machine (ASM), a technique for designing digital state machines.
He holds an Master's of Science degree in electrical engineering from
the University of California at Berkeley (1962), is a member of Sigma
Tau and Phi Kappa Phi honorary fraternities, and is a member of IEEE.
Osborne was inducted into the UW College of Engineering Hall of Fame in 1998.
Photos courtesy of UW Photo Service and American Heritage Center